| Principal Translations |
thirty-one,
31 n | (cardinal number: 31) | treinta y uno loc nom m |
| | I live at number thirty-one. |
| | ⓘEsta oración no es una traducción de la original. El treinta y uno es mi número de la suerte. |
thirty-one,
31 adj | (31 in number) | treinta y un, treinta y una loc adj |
| | There are thirty-one days in January. |
| | The group was made up of thirty-one girls and thirty-five boys. |
| | Enero tiene treinta y un días. // El grupo estaba compuesto por treinta y una chicas y treinta y cinco chicos. |
thirty-one,
31 adj | (31 years of age) (informal) | treinta y uno loc prnl |
| | | treinta y un años loc nom mpl |
| | He will be thirty-one years old on Monday. |
| | El lunes cumple treinta y uno. |
thirty-one,
31 pron | (people, things: 31 of them) | treinta y uno, treinta y una loc prnl |
| | One class has 27 pupils, the other has 31. |
| 31 n | US, written (thirty-first day of specified month) | el 31 loc prnl |
| | | el treinta y uno loc prnl |
| Note: The example would be spoken "April thirty-first". |
| | The new regulations are due to come into effect on April 31. |
| | Las nuevas regulaciones entrarán en vigencia el 31 de abril. |
| 31 n | mainly UK, written (thirty-first day of specified month) | el 31 loc prnl |
| | | el treinta y uno loc prnl |
| Note: The example would be spoken as "(the) thirty-first of January". This date format is most commonly used in the UK, though it is gaining popularity in the US. |
| | If you wish to submit your tax return online, the deadline is 31 January. |
| | Si quieres hacer tu declaración de impuestos por internet, la fecha límite es el 31 de enero. |